Product Description Acid Red 1 Other Details Molecular Formula: C18H13N3O8S2.2Na Molecular Weight: 509.43 CAS Number: 3734-67-6 Minimum Purity: 0 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 25g Leadtime:20 Days